Hill-like structures formed by glaciers and sandy spits of land.

Solar powered Spectacle Island features all-green facilities.

From bench to vandalism to art, this silly prank seat was funny enough to become permanent.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

Three prestigious academic collections come together to create a world-class natural history museum.

Museum dedicated to awful artwork.

The thousands of shades on display — some toxic, others impossibly rare — are a library of more than just color.

The statue of John Harvard isn't actually John Harvard—or even, technically, the founder of the school.

A Harvard-area eatery preserves the uncovered tiles of its century-old predecessor.

A steampunk wonderland that preserves America's history of industrial innovation.

Run by a eugenics advocate, this aging institution conducted secret radiation experiments sponsored by Quaker Oats.

This supermarket is suspended 25 feet above an interstate highway.

Large Massachusetts museum dedicated to Armenian history and culture.

A labor of love built by local hang-gliding enthusiasts, this ideal launch spot was outlawed by the authorities and has since been largely abandoned.

Bouncing, delightful, mechanical art at the MIT Museum.

On a side street near the interstate is the building where the famous anarchist once owned an ice cream parlor.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

On a former island, this old fortification once used to protect the Boston Area and started Edgar Allan Poe in his military career.

Naturally formed white marble arch housed in an abandoned marble quarry from the 1800s.

Resonating tubes make music from highway overpass.

Steepest flood safety railway in the entire world.

A New England ghost town features a trail of boulders etched with intriguing life lessons.

A collection of full-size movie monsters opened to the public.